Paste the full URL of the webpage you want to analyze
Click "Analyze" to start comprehensive SEO analysis
Review overall score and detailed metrics from Google Lighthouse
Follow the recommendations to improve your website SEO score
Paste the full URL of the webpage you want to analyze
Click "Analyze" to start comprehensive SEO analysis
Review overall score and detailed metrics from Google Lighthouse
Follow the recommendations to improve your website SEO score
On-Page SEO Analyzer is a professional website optimization tool that combines Google Lighthouse API with comprehensive on-page analysis to provide actionable SEO insights. This tool examines critical ranking factors including technical SEO, Core Web Vitals, content quality, and user experience metrics that directly impact your search engine visibility.
Powered by Google's official PageSpeed Insights API, this analyzer provides the same data Google uses to evaluate websites for search ranking. It measures Performance, Accessibility, Best Practices, and SEO scores alongside Core Web Vitals (LCP, FID, CLS) which are confirmed Google ranking signals. The tool also performs deep content analysis including title optimization, meta descriptions, heading structure, image SEO, internal linking, and keyword density.
Use this analyzer to audit your website before launch, monitor SEO health regularly, identify technical issues affecting rankings, benchmark against competitors, and prioritize optimization efforts based on impact. The combined score and detailed recommendations help you make data-driven decisions to improve organic traffic, user engagement, and conversion rates.
Real-time analysis using Google's official PageSpeed Insights API v5. Get authentic Performance, Accessibility, Best Practices, and SEO scores (0-100) that reflect how Google evaluates your site. Includes detailed opportunities and diagnostics with estimated performance savings.
Track all 6 critical Web Vitals: LCP (Largest Contentful Paint), FID (First Input Delay), CLS (Cumulative Layout Shift), FCP (First Contentful Paint), TTFB (Time to First Byte), and TTI (Time to Interactive). Color-coded ratings (Good/Needs Improvement/Poor) help you prioritize fixes for better rankings and user experience.
Deep content audit covering title tag optimization (50-60 chars recommended), meta description length (150-160 chars), heading hierarchy (H1/H2/H3), image alt text coverage, internal vs external link balance, and keyword density analysis. Each factor receives a weighted score with specific improvement suggestions.
Automated checks for critical SEO requirements: viewport configuration, document title, meta description, http-status-code, link-text quality, crawlable links, robots.txt validity, image-alt attributes, hreflang tags, canonical URLs, and structured data. Pass/fail indicators with actionable fix instructions.
Single SEO health score (0-100) combining on-page factors and Lighthouse metrics using a scientific weighting algorithm. Prioritizes Performance (15%), SEO category (10%), and critical content elements. Track score changes over time to measure optimization effectiveness and ROI.
Download complete analysis as text file for documentation, client reports, or team collaboration. Reports include overall score, all Lighthouse metrics, Core Web Vitals, on-page factors, and actionable recommendations. Perfect for SEO audits and progress tracking.
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